Combined tub and tank treadmill



FIG. 1 is a perspective view of the combined tub and tank treadmill showing my new design;

FIG. 2 is a top view of the combined tub and tank treadmill of FIG. 1;

FIG. 3 is a bottom view of the combined tub and tank treadmill of FIG. 1;

FIG. 4 is side view of the combined tub and tank treadmill of FIG. 1, it being understood that the opposed side view is a mirror image thereof;

FIG. 5 is a front view of the combined tub and tank treadmill of FIG. 1; and,

FIG. 6 is a rear view of the combined tub and tank treadmill of FIG. 1. 

The ornamental design for a combined tub and tank treadmill, as shown and described. 